/*
 *  Copyright (C) 2006 Takeharu KATO
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#if !defined(G2IPMSG_CRYPTOCOMMON_H)
#define G2IPMSG_CRYPTOCOMMON_H
#ifdef HAVE_CONFIG_H
#  include <config.h>
#endif

#include "ipmsg.h"
#include "pubcrypt.h"
#include "symcrypt.h"
#include "pbkdf2.h"

#include <sys/types.h>
#include <glib.h>

#include "base64.h"
#define G2IPMSG_CRYPTO_CAP    (RSA_CAPS|SIGN_CAPS|SYM_CAPS)
#define CRYPT_RND_MAX_RETRY 100
#define G2IPMSG_KEY_DIR                 ".g2ipmsg"
int add_timing_entropy(void);
int generate_rand(unsigned char *buf,size_t len);
int ipmsg_encrypt_message(const char *peer_addr,const char *message,unsigned char **ret_str,size_t *len);
int ipmsg_decrypt_message(const char *peer_addr,const char *message,unsigned char **ret_str,size_t *len);
GtkWidget *internal_create_crypt_config_window(void);
int apply_crypt_config_window(GtkWindow *window);

/* Common part */
#define get_symkey_part(x) ( (x) & (SYM_CAPS) )
#define get_asymkey_part(x) ( (x) & (RSA_CAPS) )
#define get_sign_part(x) ( (x) & (SIGN_CAPS) )
#define PUBKEY_WAIT_MICRO_SEC (1000UL*1000UL) /* 1000 msec */
#define PUBKEY_MAX_RETRY                    5

#endif  /* IPMSG_CRYPTOCOMMON_H */
